Reviews Glass Stopcock

Dropping Funnel, 1000ml - 29/32 Plastic Stopper - Ungraduated, PTFE Key Stopcock - Cylindrical - Borosilicate Glass - Eisco Labs

INDUSTRIAL QUALITY || Made from heavy-duty borosilicate 3.3 glass.
MEDIUM CAPACITY || Clear top with large space to maximize interior clearances.
AIRTIGHT || Holds a full vacuum (740mm Hg 20cm) at room temperature for 24 hours.
INCLUDED || Includes 194mm (7.6") porcelain sieve plate that rests on the 205mm (8.1") I.D. chamber bottom, and removable glass stopcock with side arm allowing a controlled entrance of air while preventing unnecessary turbulence.
GREAT FOR PROFESSIONAL LABORATORIES, CLASSROOMS & HOUSEHOLD || Superior chemical durability and heat tolerance. Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use.

This closed system is designed to avoid external contamination.
Rugged, borosilicate glass burettes with 0.1ml markings in white are attached to a polyethylene screw closure and bottle.
Manually pressing the soft bottle propels fluid into the burette.
Precision: +/- 1 percent of total volume.
A glass stopcock with a 2mm bore is located on the drain arm, large, detachable plastic base may be removed from the reservoir.

Featuring a bottom stopcock with PTFE plug, these Squibb separatory funnels come with a plastic stopper. Limited 90-day warranty included. Scientists rely on the expertise and artistic skills of Wilmad-LabGlass' engineers and glass specialists to manufacture NMR and EPR consumables and laboratory glassware of the highest quality. Used daily in academia, healthcare and chemical, petroleum and other industrial applications, Wilmad offers 7000+ items as part of their standard catalog as well as custom fabrication for individual glassware, glass repair services and OEM glass parts..